Table 1 Baseline characteristics of the study participants
Characteristics | Value |
|---|---|
Age (y), (mean ± SD) | 66.6 ± 8.2 |
Male, n (%) | 214 (91.8) |
Smoking, n (%) | 166 (71.2) |
Coexisting disease, n (%) | |
COPD | 21 (9.0) |
Hypertension | 58 (24.9) |
Diabetes | 11 (4.7) |
Dyspnea index, n (%) | 13 (2.5) |
0 | 42 (18.0) |
1 | 9 (3.9) |
2 | 27 (11.6) |
3 | 30 (12.9) |
4 | 125 (53.6) |
Location of the lesion, n (%) | |
Trachea | 34 (14.6) |
Left main bronchus | 75 (32.2) |
Right main bronchus | 78 (33.5) |
Right intermediate bronchus | 46 (19.7) |
Initial degree of MCAS, (mean ± SD, %) | 76.9 ± 23.9 |
Post-intervention residual stenosis, (mean ± SD, %) | 28.4 ± 17.3 |
Histological types, n (%) | |
Lung adenocarcinoma | 5 (2.1) |
Lung squamous cell carcinoma | 186 (79.8) |
SCLC | 17 (7.3) |
Other* | 25 (10.7) |
Stent implantation, n (%) | 56 (24.0) |
Other treatments after intervention,** n (%) | |
0 | 50 (21.5) |
1 | 81 (34.8) |
≥ 2 | 102 (43.8) |
Severe restenosis, n (%) | 92 (39.5) |